#3789C3#3789C3

#3789C3 is a mid, moderate cyan. Relative luminance 0.226; OKLCH L 60.6% C 0.118 H 243.1°. Best body text is #000000 at 5.53:1 contrast (WCAG AA passes).

Color values

HEX	#3789C3
RGB	rgb(55, 137, 195)
HSL	hsl(205, 56%, 49%)
HSV	hsv(205, 72%, 76%)
CMYK	cmyk(71.8%, 29.7%, 0%, 23.5%)
CIE-LAB	lab(54.70, -5.54, -37.30)
CIE-LCH	lch(54.70, 37.71, 261.55°)
OKLab	oklab(60.65% -0.0534 -0.1055)
OKLCH	oklch(60.65% 0.118 243.1)
XYZ	xyz(20.3677, 22.6414, 54.9160)
Luminance	0.2264 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3789C3 #C37137

analogous

#37C3B7 #3789C3 #3743C3

triadic

#3789C3 #C33789 #89C337

tetradic

#3789C3 #B737C3 #C37137 #43C337

square

#3789C3 #B737C3 #C37137 #43C337

split-complementary

#3789C3 #C33743 #C3B737

monochromatic

#1C4664 #2A6793 #3789C3 #64A5D3 #94C1E1

Accessibility & contrast

On white

3.80

#3789C3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.53

#3789C3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3789C3

5.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3789C3	#FFFFFF	#000000	##000000
##3789C3	1.00	3.80	5.53	5.53
#FFFFFF	3.80	1.00	21.00	21.00
#000000	5.53	21.00	1.00	1.00
##000000	5.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E8AC6

Deuteranopia (green-blind)

#5B7DC2

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #3789c3;
/* rgb */ color: rgb(55, 137, 195);
/* oklch */ color: oklch(60.6% 0.118 243.1);

Tailwind

colors: {
  custom: {
    50: '#7fabd5',
    500: '#3789c3',
    950: '#000000',
  },
}

SCSS

$custom: #3789c3;
$custom-light: #7fabd5;
$custom-dark: #000000;

JSON

{
  "hex": "#3789c3",
  "rgb": {
    "r": 55,
    "g": 137,
    "b": 195
  },
  "hsl": {
    "h": 204.857,
    "s": 56,
    "l": 49.02
  },
  "oklch": {
    "l": 0.60646,
    "c": 0.11825,
    "h": 243.1
  },
  "luminance": 0.22644
}

Semantic roles & 50–950 ramp

primary

#3789C3

secondary

#CCA58A

accent

#8749DF

background

#F8FAFD

surface

#EFF4FA

border

#CACED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3789C3

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →